CBES Board Class 12 Online Exam Test(MCQs :- multiple choice questions and answers. e.g CBES Board Class 12 MCQS,CBES Board Class 12 Mock Tests , CBES Board Class 12 Practice Papers ,CBES Board Class 12 Sample Test,CBES Board Class 12 Sample questions)

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Question 1: Who established that electric charge is quantised?

J.J. Thomson

William Crookes

R.A. Millikan

Wilhelm Rontgen

Total MCQS Questions are 17 in this paper
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